Chronic asymptomatic pyuria precedes overt urinary tract infection and deterioration of renal function in autosomal dominant polycystic kidney disease

Table 1 Baseline characteristics of the subjects in this study

		Group A (n = 162)	Group B (n = 94)	Total (n = 256)	Pvalue
Age^*		48.2 ± 13.7	47.8 ± 11.2	48.1 ± 12.8	NS
Female	number (%)	68 (42.0)	55 (58.5)	123 (48.0)	0.01
Follow-up duration^*	months	51.8 ± 40.4	88.5 ± 37.8	65.3 ± 43.2	<0.001
Initial eGFR^*†	ml/min/1.73m²	92.4 ± 27.1	88.7 ± 32.47	91.1 ± 29.2	NS
Diabetes mellitus	number (%)	2 (1.2)	1 (1.1)	3 (1.2)	NS
Hypertension	number (%)	99 (61.1)	68 (72.3)	167 (65.2)	NS
Urinary stone	number (%)	24 (14.8)	16 (17.0)	40 (15.6)	NS

Group A included non-pyuria and transient pyuria patients; group B included recurrent and persistent pyuria patients.
*: mean ± standard deviation (SD).
^†: Estimated glomerular filtration rate (eGFR) was calculated using the CKD-EPI equation (ml/min/1.73m²).
eGFR, estimated glomerular filtration rate.

ISSN: 1471-2369